454053403123 has 2 divisors, whose sum is σ = 454053403124. Its totient is φ = 454053403122.

The previous prime is 454053403109. The next prime is 454053403157. The reversal of 454053403123 is 321304350454.

It is a happy number.

It is an a-pointer prime, because the next prime (454053403157) can be obtained adding 454053403123 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454053403123 is a prime.

It is not a weakly prime, because it can be changed into another prime (454053403103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227026701561 + 227026701562.

It is an arithmetic number, because the mean of its divisors is an integer number (227026701562).

Almost surely, 2^454053403123 is an apocalyptic number.

454053403123 is a deficient number, since it is larger than the sum of its proper divisors (1).

454053403123 is an equidigital number, since it uses as much as digits as its factorization.

454053403123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 454053403123 its reverse (321304350454), we get a palindrome (775357753577).

The spelling of 454053403123 in words is "four hundred fifty-four billion, fifty-three million, four hundred three thousand, one hundred twenty-three".